<template>
  <div>
    <Space>
      <a-button type="primary" @click="openUploadModal" preIcon="carbon:cloud-upload">
        {{ t("component.upload.upload") }}
      </a-button>
      <Tooltip placement="bottom" v-if="showPreview">
        <template #title>
          {{ t("component.upload.uploaded") }}
          <template v-if="fileList.length">
            {{ fileList.length }}
          </template>
        </template>
        <a-button @click="openPreviewModal">
          <Icon icon="bi:eye" />
          <template v-if="fileList.length && showPreviewNumber">
            {{ fileList.length }}
          </template>
        </a-button>
      </Tooltip>
    </Space>
    <UploadModal
      v-bind="bindValue"
      :previewFileList="fileList"
      @register="registerUploadModal"
      @change="handleChange"
      @delete="handleDelete"
    />

    <UploadPreviewModal
      :value="fileList"
      @register="registerPreviewModal"
      @list-change="handlePreviewChange"
      @delete="handlePreviewDelete"
    />
  </div>
</template>
<script lang="ts">
import { defineComponent, ref, watch, unref, computed } from "vue";
import { Icon } from "/@/components/Icon";
import { Tooltip, Space } from "ant-design-vue";
import { useModal } from "/@/components/Modal";
import { uploadContainerProps } from "./props";
import { omit } from "lodash-es";
import { useI18n } from "/@/hooks/web/useI18n";
import { isArray } from "/@/utils/is";
import UploadModal from "./UploadModal.vue";
import UploadPreviewModal from "./UploadPreviewModal.vue";

export default defineComponent({
  name: "BasicUpload",
  components: { UploadModal, Space, UploadPreviewModal, Icon, Tooltip },
  props: uploadContainerProps,
  emits: ["change", "delete", "preview-delete", "update:value"],

  setup(props, { emit, attrs }) {
    const { t } = useI18n();
    // 上传modal
    const [registerUploadModal, { openModal: openUploadModal }] = useModal();

    //   预览modal
    const [registerPreviewModal, { openModal: openPreviewModal }] = useModal();

    const fileList = ref<string[]>([]);

    const showPreview = computed(() => {
      const { emptyHidePreview } = props;
      if (!emptyHidePreview) return true;
      return emptyHidePreview ? fileList.value.length > 0 : true;
    });

    const bindValue = computed(() => {
      const value = { ...attrs, ...props };
      return omit(value, "onChange");
    });

    watch(
      () => props.value,
      (value = []) => {
        fileList.value = isArray(value) ? value : [];
      },
      { immediate: true }
    );

    // 上传modal保存操作
    function handleChange(urls: string[]) {
      fileList.value = [...unref(fileList), ...(urls || [])];
      emit("update:value", fileList.value);
      emit("change", fileList.value);
    }

    // 预览modal保存操作
    function handlePreviewChange(files: string[]) {
      fileList.value = [...(files || [])];
      emit("update:value", fileList.value);
      emit("change", fileList.value);
    }

    function handleDelete(record: Recordable) {
      emit("delete", record);
    }

    function handlePreviewDelete(uuid: string) {
      emit("preview-delete", uuid);
    }

    return {
      registerUploadModal,
      openUploadModal,
      handleChange,
      handlePreviewChange,
      registerPreviewModal,
      openPreviewModal,
      fileList,
      showPreview,
      bindValue,
      handleDelete,
      handlePreviewDelete,
      t,
    };
  },
});
</script>
